Power Leak does nothing to affect the battlefield
In the precon were talking about, it is the most expensive card in mana value
Most obviously, you can use Powerstones to cast artifact spells, like the retro version of Scrap Trawler from the Brothers War bonus sheet, which reads, Whenever Scrap Trawler or another artifact you control is put into a graveyard from the battlefield, return to your hand target artifact card in your graveyard with lesser mana value. Wait, lesser mana valuelesser mana value than WHAT
Christian also makes hand-painted collectibles for Saber Miniatures
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